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About us


1&1 AG, headquartered in Montabaur, is a publicly listed telecommunications provider
and part of the United Internet Group.
With a strong focus on the German market, 1&1 actively drives the country's digital sovereignty.

Better and better every day


With over 30 years of experience, 1&1 stands for powerful mobile plans, award-winning customer service, and continuous product innovation – from all-net-flat rates and unlimited data plans to exclusive benefits through the 1&1 Vorteilswelt. The 1&1 Service Card offers premium services such as 24-hour device replacement and a dedicated priority hotline. 1&1 promotes digital inclusion through reliable, competitively priced products – consistently awarded top marks by independent trade publications. In addition, the discount brands of Drillisch Online GmbH serve price-sensitive customers with a strong focus on affordability.

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The 1&1 O-RAN

1&1 operates the first fully virtualized 5G mobile network in Europe based on innovative Open RAN technology – independent, open by design, and built for the real-time applications of tomorrow. As Germany's fourth mobile network, the 1&1 O-RAN stands for greater competition and innovation in the national telecommunications landscape.

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Nationwide Broadband Coverage

As one of Germany's leading providers of VDSL, vectoring, and next-generation fiber internet, 1&1 is driving Germany's gigabit transformation. The company leverages the nationwide fiber-optic transport network of 1&1 Versatel and, through partnerships with Deutsche Telekom and leading city carriers, is able to supply millions of households with future-proof fiber connections.

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Carta Justificante %c3%adndice Escolar Para Mi Hijo Portable Jun 2026

: Una mención sobre la disposición del alumno para ponerse al día con tareas y exámenes perdidos.

(Minimum passing is usually 6.0). This index is low but passing. carta justificante %C3%ADndice escolar para mi hijo

Debido a [explicar brevemente el motivo: una situación familiar, un problema de salud, un cambio de domicilio o cualquier circunstancia personal], el rendimiento escolar de mi hijo/a se ha visto afectado temporalmente, lo cual se refleja en su índice actual. : Una mención sobre la disposición del alumno

, me dirijo a usted para justificar formalmente su inasistencia a clases durante el/los día(s) [Fecha o fechas de las faltas] Dicha ausencia se debió a motivos de Debido a [explicar brevemente el motivo: una situación

Puedes copiar y adaptar este texto a tu situación específica.

This letter is issued at the request of for the purpose of [e.g., enrolling in extracurricular activities, processing a scholarship, justifying school enrollment for a family benefit] .

: Una mención sobre la disposición del alumno para ponerse al día con tareas y exámenes perdidos.

(Minimum passing is usually 6.0). This index is low but passing.

Debido a [explicar brevemente el motivo: una situación familiar, un problema de salud, un cambio de domicilio o cualquier circunstancia personal], el rendimiento escolar de mi hijo/a se ha visto afectado temporalmente, lo cual se refleja en su índice actual.

, me dirijo a usted para justificar formalmente su inasistencia a clases durante el/los día(s) [Fecha o fechas de las faltas] Dicha ausencia se debió a motivos de

Puedes copiar y adaptar este texto a tu situación específica.

This letter is issued at the request of for the purpose of [e.g., enrolling in extracurricular activities, processing a scholarship, justifying school enrollment for a family benefit] .

Social Commitment


As a successful telecommunications company, 1&1 sees itself as part of society and takes the responsibility that goes with this. Our corporate social responsibility activities revolve around our United Internet for UNICEF foundation.

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carta justificante %C3%ADndice escolar para mi hijo

Sustainability


Doing business sustainably is a part of what 1&1 does every day. Our goal is to be a pioneer in this area as well.

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carta justificante %C3%ADndice escolar para mi hijo

Protection of the environmental and climate


As a leading German telecommunications specialist, we see our role as building bridges to a positive, sustainable digital future.

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